Suppose the total cost function for manufacturing a certain product is  dollars, where  represents the number of units produced. Find the level of production that will minimize the average cost. Round the answer to the nearest integer.
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__________ units

Fill in the blank(s) with the appropriate word(s).


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Mathematics

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Multiply.70 ? 5

A. 355 B. 345 C. 75 D. 350

Mathematics

If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.64k3m - 144k2m2 + 81km3

A. km(8k - 9m)(8k + 9m) B. km(8k + 9m)2 C. (64k2m + km)(k + 81m2) D. km(8k - 9m)2

Mathematics

Solve the problem.A foul tip of a baseball is hit straight upward from a height of 4 feet with an initial velocity of  per second. The function  + 4 describes the ball's height above the ground, s(t), in feet, t seconds after it was hit. What is the instantaneous speed of the ball 0.4 seconds after it was hit?

A. 35.2 B. -12.8 C. 12.8 D. -35.2

Mathematics

Solve the system of equations.

A. x = 0, y = 5, z = -4 B. x = -4, y = 5, z = 0 C. inconsistent (no solution) D. x = -4, y = 0, z = 5

Mathematics